package web_pro;

import java.io.IOException;
import java.io.Writer;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 * Servlet implementation class type
 */
@WebServlet("/type")
public class type extends HttpServlet {
	private static final long serialVersionUID = 1L;
       
    /**
     * @see HttpServlet#HttpServlet()
     */
    public type() {
        super();
        // TODO Auto-generated constructor stub
    }

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
//		response.getWriter().append("Served at: ").append(request.getContextPath());
		request.setCharacterEncoding("utf-8");
		response.setCharacterEncoding("utf-8");
		response.setContentType("text/json;charset=utf-8");
		
		Connection dbLink = db.getConnection();
		Writer out = response.getWriter();
		
		try {
			String sql = "select * from t_type";
			PreparedStatement ppsm = dbLink.prepareStatement(sql);
			ResultSet rs = (ResultSet) ppsm.executeQuery();
			String json = "[";
			while (rs.next()) {
				json = json + "{";
				json = json + " \"typeID\" : \""+rs.getString("typeID")+"\" ,";
				json = json + " \"typeName\" : \""+rs.getString("typeName")+"\" ";
				json = json + "}";
				if (rs.next()) {
					json = json + ",";
					rs.previous();
				}
			}
			json = json + "]";
			ppsm.close();
			dbLink.close();

			System.out.println("\ntype Page : "+json+"\n");
			out.write(json);
			out.flush();
		}catch (SQLException e) {
			e.printStackTrace();
		}
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
		// TODO Auto-generated method stub
		doGet(request, response);
	}

}
